Overview
The SN75HVD08DR, produced by Texas Instruments, is a single transmitter/receiver RS-485 transceiver designed for balanced data transmission. This component is part of the SN75HVD08 series, which combines a 3-state differential line driver and a differential line receiver. It is compliant with ANSI TIA/EIA-485-A and ISO-8482E standards, ensuring interoperability with other standard-compliant devices. Although the SN75HVD08DR is currently obsolete and no longer in production, it remains relevant for understanding RS-485 transceiver technology and for maintaining existing systems that use this component.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3-V to 5.5-V | V |
| Quiescent Power | < 90 mW | mW |
| Operating Temperature Range | 0 to 70 °C | °C |
| Package Type | SOIC (8-pin) | |
| Bus-Pin ESD Protection | > 16 kV HBM | kV |
| Data Rate | Up to 10 Mbps | Mbps |
| Unit Load | 1/8th (up to 256 nodes on the bus) | |
| Driver Output Voltage Slew Rate | Limited for optimum signal quality |
Key Features
- Operates with a 3-V to 5.5-V supply voltage range.
- Consumes less than 90-mW quiescent power.
- Open-circuit, short-circuit, and idle-bus failsafe receiver.
- 1/8th unit-load capability, supporting up to 256 nodes on the bus.
- Bus-pin ESD protection exceeds 16-kV HBM.
- Driver output voltage slew-rate limited for optimum signal quality at 10 Mbps.
- Electrically compatible with ANSI TIA/EIA-485 standard.
- Active-high driver enable and active-low receiver enable.
- Internal biasing of the receiver input thresholds for failsafe conditions.
Applications
- Data transmission with remote stations powered from the host.
- Isolated multipoint data buses.
- Industrial process control networks.
- Point-of-sale networks.
- Electric utility metering.
Q & A
- What is the supply voltage range of the SN75HVD08DR?
The SN75HVD08DR operates with a supply voltage range of 3-V to 5.5-V.
- What is the quiescent power consumption of the SN75HVD08DR?
The quiescent power consumption is less than 90 mW.
- What is the operating temperature range of the SN75HVD08DR?
The operating temperature range is from 0 to 70 °C.
- What type of package does the SN75HVD08DR come in?
The SN75HVD08DR comes in an 8-pin SOIC package.
- What is the ESD protection level of the SN75HVD08DR?
The bus-pin ESD protection exceeds 16 kV HBM.
- What is the maximum data rate supported by the SN75HVD08DR?
The maximum data rate supported is up to 10 Mbps.
- How many nodes can be supported on the bus with the SN75HVD08DR?
The SN75HVD08DR supports up to 256 nodes on the bus with 1/8th unit-load capability.
- Is the SN75HVD08DR compatible with any industry standards?
Yes, it is electrically compatible with the ANSI TIA/EIA-485 standard.
- What are the enable modes for the driver and receiver in the SN75HVD08DR?
The driver has an active-high enable, and the receiver has an active-low enable.
- Is the SN75HVD08DR still in production?
No, the SN75HVD08DR is currently obsolete and no longer in production.
